//# Write your MySQL query statement below
//select
//round(sum(ifnull(tiv_2016, 0)), 2) as tiv_2016
//from
//Insurance
//where tiv_2015 in
//(
//    select tiv_2015
//    from Insurance
//    group by tiv_2015
//    having count(*) > 1
//) and (lat, lon) in
//(
//    select lat, lon
//    from Insurance
//    group by lat, lon
//    having count(*) = 1
//)